CX8508车充IC 5V-2.1A同步整流降压芯片

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2A 27V Synchronous Buck Converter 
Deion 
The CX8508 is a monolithic synchronous buck 
egulator. The device integrates 95 m? 
MOSFETS that provide 2A continuous load 
urrent over a wide operating input voltage of 
.5V to 27V. Current mode control provides fast 
ransient response and cycle-by-cycle current 
mit. An adjustable soft-start prevents inrush 
urrent at turn on. 
Features 
?  2A Output Current 
?  Wide 4.5V to 27V Operating Input Range 
?  Integrated Power MOSFET switches 
?  Output Adjustable from 0.925V to 0.8Vin Up 
to 96% Efficiency 
?  Programmable Soft-Start 
?  Stable with Low ESR Ceramic Output 
Capacitors 
?  Fixed 340KHZ Frequency 
?  Cycle-by-Cycle Over Current Protection 
?  Short Circuit Protection 
?  Input Under Voltage Lockout 
?  Package：  SOP-8L 
 
Applications 
?  Distributed Power Systems 
?  Networking Systems 
?  FPGA, DSP, ASIC Power Supplies 
?  Green Electronics/ Appliances 
?  Notebook Computers